MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Heart murmur
An unusual heart sound which may be innocent or reflect disease.
Read the definitionRandom terms
Show more- Tooth The structures within the mouth that allow for biting and chewing. Teeth have different shapes, depending on…
- Disease, Gerstmann-Straussler-Scheinker See: Gerstmann-Sträussler-Scheinker syndrome
- Shock, primary Sudden loss of blood pressure resulting in shock due to pain, fear, and other reactions experienced…
- Blistering agent See: Vesicant
- Arrhythmia, sinus The normal increase in heart rate that occurs during inspiration (when you breathe in). This is a natural…
- Capsulitis Inflammation of the capsule of the lens, joint, liver, or labyrinth. See also: Adhesive capsulitis
- Test, syphilis (RPR) Rapid plasma reagin, a blood test for syphilis that looks for an antibody that is present in the bloodstream…
- Synaptonemal complex A protein structure that forms between two homologous chromosomes during meiosis and that is thought to…
- Wheal A raised, itchy (pruritic) area of skin that is almost always an overt sign of allergy. Not all wheals are…
- Superior A large vein that receives blood from the head, neck, upper extremities, and thorax and delivers it to the…
- Antonio Maria Valsalva See: Antonio Maria Valsalva
- Hayfever Hay fever is, always has been, and ever shall be two separate words. See: Hay fever